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Finding the Fourth Proportional to 453,144.76, 625,326.53 and 249,195.47

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Solution

The fourth proportional to 453,144.76, 625,326.53 and 249,195.47 is: 343,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,144.76 : 625,326.53 = 249,195.47 : x
  2. Step 2: Convert to fraction form
    453,144.76/625,326.53 = 249,195.47/x
  3. Step 3: Cross multiply
    453,144.76x = 625,326.53 × 249,195.47
  4. Step 4: Simplify right side
    453,144.76x = 155,828,534,174.21
  5. Step 5: Solve for x
    x = 155,828,534,174.21/453,144.76
  6. Step 6: Final answer
    x = 343,882.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.